| 1. | The 797 embassy, the first one from Charlemagne, was composed of three men, the Jew Isaac (Isaac Judaeus, probably as interpreter), Lantfrid and Sigimud, and Harun al-Rashid was described as "Aaron, king of the Persians". L'ambassade de 797, la première de Charlemagne, était composée de trois hommes, le Juif Isaac (Isaac Judaeus, sans doute comme interprète), Lantfrid et Sigimud. |